Automatic rail clamping device with natural disaster resistance function

By enhancing friction and de-icing functions in the automatic rail clamping mechanism, the problem of reduced rail clamping friction of gantry cranes under low temperature, rain, and snow weather has been solved, ensuring the normal operation and equipment protection of gantry cranes under severe weather conditions.

CN116062611BActive Publication Date: 2026-04-07NANJING DAJI STEEL TOWER MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-28
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In cold, rainy, or snowy weather, the friction of the automatic rail clamps weakens, causing the gantry crane to malfunction, especially when pulling heavy loads, it is prone to spinning without load.

Method used

An automatic rail clamping mechanism was designed, including a clamping component, an auxiliary pressurizing mechanism, and a de-icing section. By setting a connecting cavity and a support rod inside the clamping component, the friction force is increased by using elastic elements, and de-icing sections are installed on both sides of the clamping component to remove ice, protect the traction roller of the lifting traction section, and prevent rain and snow from seeping in.

Benefits of technology

It effectively enhances the friction of the rail clamps in cold, rainy, and snowy weather, ensuring normal operation, and removes ice through the de-icing section, protecting the motor and traction rollers from damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of gantry crane rail clamping technology and discloses an automatic rail clamping mechanism with natural disaster resistance function. The mechanism includes a rail clamping mechanism installed on the gantry crane beam. A lifting traction unit is installed at the bottom of the rail clamping mechanism, with a lifting rope and hook attached to it. An auxiliary pressure mechanism is installed at the top of the rail clamping mechanism, overlapping with the inner wall of the gantry crane beam. The rail clamping mechanism includes a clamping component, with a drive motor fixedly connected to its outer surface. This automatic rail clamping mechanism with natural disaster resistance function achieves this by creating a connecting cavity inside the clamping component to connect and limit the support rod, and a pressure plate is fixedly connected to the top of the support rod. Simultaneously, an elastic element compresses the pressure plate, increasing the friction between the drive rollers inside the clamping component and the gantry crane beam. This effectively prevents the crane from malfunctioning due to icing in cold, rainy, or snowy weather.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of gantry crane clamping rail technology, in particular to an automatic clamping rail with natural disaster resistance function. BACKGROUND

[0002] The gantry crane is a new type of small lifting gantry crane developed according to the needs of daily production of medium and small factories (companies) to transport equipment, warehouse in and out, lift heavy equipment for maintenance and transport materials.

[0003] When the gantry crane is lifted, the automatic clamping rail installed on the gantry crane beam is used for displacement traction, so that the lifted goods can be moved from one side of the gantry crane to the other side.

[0004] The movement of the automatic clamping rail is mainly driven by the motor to drive the roller, which moves on the gantry crane beam through the friction force. When the use environment of the gantry crane is in the low temperature environment in the north, and it is raining and snowing, the rainwater will freeze on the beam of the gantry crane, thereby reducing the friction between the automatic clamping rail roller and the gantry crane beam. When the automatic clamping rail is not pulling heavy objects, the reduction of friction is very obvious. The reduction of friction will directly cause the roller and the gantry crane beam to rotate and cause the automatic clamping rail to be unable to effectively displace.

[0005] Therefore, an automatic clamping rail with natural disaster resistance function is needed to resist the problem that the automatic clamping rail cannot work normally in low temperature and snow weather. SUMMARY

[0006] The purpose of the present application is to provide an automatic clamping rail with natural disaster resistance function to solve the problems in the background art.

[0007] In order to solve the above technical problems, the present application provides the following technical scheme: an automatic clamping rail with natural disaster resistance function, comprising a clamping rail mechanism installed on a gantry crane beam, a lifting traction part is installed at the bottom of the clamping rail mechanism, a lifting rope and a hook are pulled on the lifting traction part, an auxiliary pressure mechanism is installed at the top of the clamping rail mechanism, and the auxiliary pressure mechanism is overlapped with the inner wall of the gantry crane beam.

[0008] The clamping rail mechanism comprises a clamping part, the outer surface of the clamping part is fixedly connected with a transmission motor, the output shaft of the transmission motor is connected with a transmission roller movably connected in the clamping part, the bottom of the clamping part is fixedly connected with a connecting protective cover, and the two sides of the clamping part are provided with connecting cavities.

[0009] The auxiliary pressurizing mechanism comprises a supporting rod, the top of the supporting rod is fixedly connected with a pressure plate, and the outer surface of the supporting rod is sleeved with an elastic member, the elastic member extrudes the pressure plate upward to make the pressure plate lap the upper edge of the gantry crane beam.

[0010] Preferably, the clamping part is arc-shaped, and the two sides of the inner wall of the clamping part lap the two sides of the gantry crane.

[0011] Preferably, the number of the transmission rollers is four, and the four transmission rollers are clamped on the two sides of the gantry crane beam and lap the inner bottom of the gantry crane beam for transmission.

[0012] Preferably, the two ends of the hoisting traction part are fixedly connected with the two sides of the connecting protective cover respectively, the outer side of the hoisting traction part is provided with a motor, the motor drives a traction roller located between the hoisting traction parts, and a gap is left between the traction roller and the connecting protective cover.

[0013] Preferably, the two sides of the clamping part are fixedly connected with ice removing parts respectively, the bottom of the ice removing part laps the inner bottom of the gantry crane beam, and the top end of the ice removing part is a knife edge.

[0014] Preferably, the number of the supporting rods is four, and the four supporting rods are inserted into the connecting cavities in the clamping part and are limited by the protrusions at the bottom of the supporting rods.

[0015] Preferably, the pressure plate is L-shaped, and the L-shaped pressure plate surrounds the inner top and the side of the gantry crane beam.

[0016] Preferably, the inner bottom and the side of the pressure plate are movably connected with auxiliary rollers respectively, and the auxiliary rollers lap the inner side wall and the inner top of the gantry crane beam.

[0017] Preferably, the number of the elastic members is equal to the number of the supporting rods, and the bottom of the elastic member laps the top of the clamping part.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] Firstly, the connecting cavities are arranged in the clamping part, the supporting rods are connected and limited by the connecting cavities, the pressure plates are fixedly connected with the top of the supporting rods, and the pressure plates are extruded by the elastic members, so that the friction between the transmission rollers in the clamping part and the gantry crane beam is increased by pressure, and the effect that the device cannot work normally due to icing in cold and snowy weather is avoided.

[0020] Second, the present application is fixedly connected with the deicing part on both sides of the clamping part respectively, and the bottom of the deicing part is overlapped with the inner bottom of the gantry beam, and a knife edge is arranged at the top end of the deicing part, so that the deicing part can remove the ice layer on the inner wall of the gantry beam when the clamping part moves under the power of the transmission roller, thereby achieving the effect of deicing.

[0021] Second, the present application is fixedly connected with the deicing part on both sides of the clamping part respectively, and the bottom of the deicing part is overlapped with the inner bottom of the gantry beam, and a knife edge is arranged at the top end of the deicing part, so that the deicing part can remove the ice layer on the inner wall of the gantry beam when the clamping part moves under the power of the transmission roller, thereby achieving the effect of deicing. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The structure of the present application is connected with the gantry beam;

[0023] Figure 2 The structure of the present application is connected with the gantry beam;

[0024] Figure 3 The structure of the present application is connected with the gantry beam;

[0025] Figure 4 The structure of the present application is connected with the gantry beam;

[0026] Figure 5 The structure of the present application is connected with the gantry beam; Figure 1 The structure of the present application is connected with the gantry beam;

[0027] Figure 6 The structure of the present application is connected with the gantry beam; Figure 3 The structure of the present application is connected with the gantry beam;

[0028] Figure 7 The structure of the present application is connected with the gantry beam. Figure 2

[0029] Wherein: 1, rail clamping mechanism; 101, clamping part; 102, transmission motor; 103, transmission roller; 104, connection protection cover; 105, connection cavity; 106, deicing part; 2, auxiliary pressure mechanism; 201, support rod; 202, pressure plate; 203, elastic member; 204, auxiliary roller; 3, lifting and traction part. DETAILED DESCRIPTION

[0030] ​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of the present application.

[0031] Please refer to Figures 1-7 The automatic rail clamping device with the natural disaster resistance function comprises a rail clamping mechanism 1 installed on a portal crane beam, a hoisting traction part 3 installed at the bottom of the rail clamping mechanism 1, hoisting ropes and hooks pulled on the hoisting traction part 3, and an auxiliary pressing mechanism 2 installed at the top of the rail clamping mechanism 1 and overlapped with the inner wall of the portal crane beam.

[0032] The rail clamping mechanism 1 comprises a clamping part 101, a transmission motor 102 fixedly connected to the outer surface of the clamping part 101, a transmission roller 103 movably connected to the inside of the clamping part 101 and driven by the output shaft of the transmission motor 102, a connecting protective cover 104 fixedly connected to the bottom of the clamping part 101, and connecting cavities 105 formed at the two sides of the clamping part 101.

[0033] The auxiliary pressing mechanism 2 comprises a supporting rod 201, a pressure plate 202 fixedly connected to the top of the supporting rod 201, and an elastic member 203 sleeved on the outer surface of the supporting rod 201 and upwardly extruding the pressure plate 202 to make the pressure plate 202 overlapped with the upper edge of the portal crane beam.

[0034] Through the above technical solution, the connecting cavities 105 are formed in the inside of the clamping part 101, the connecting cavities 105 are used for connecting and limiting the supporting rod 201, the pressure plate 202 is fixedly connected to the top of the supporting rod 201, the pressure plate 202 is extruded by the elastic member 203, the friction force between the transmission roller 103 in the inside of the clamping part 101 and the portal crane beam is increased by pressure, and the effect that the rail clamping device cannot work normally due to icing in cold and snowy weather is avoided.

[0035] Through fixing the deicing parts 106 to the two sides of the clamping part 101 respectively, overlapping the bottom of the deicing part 106 with the inner bottom of the portal crane beam, and forming a knife edge at the top end of the deicing part 106, the deicing part 106 can shovel the ice layer on the inner wall of the portal crane beam when the clamping part 101 moves under the power of the transmission roller 103, and the effect of deicing is achieved.

[0036] The connecting protective cover 104 is fixedly connected at the bottom of the clamping component 101, and the two ends of the hoisting traction part 3 are fixedly connected with the two sides of the connecting protective cover 104, respectively, so as to cover the traction roller of the hoisting traction part 3, and a gap is left between the traction roller and the connecting protective cover 104, thereby protecting the traction roller in rainy and snowy weather, reducing the penetration of rain and snow into the connection of the traction roller, avoiding damage to the traction roller due to insufficient power of the motor on the hoisting traction part 3 when the motor is just started, and achieving the effect of protecting the motor.

[0037] Specifically, the clamping component 101 is arc-shaped, and the two sides of the inner wall of the clamping component 101 are overlapped with the two sides of the gantry crane.

[0038] Through the above technical solution, the clamping component 101 is arranged in an arc shape, so as to extend from the bottom of the gantry crane beam to the two sides of the gantry crane beam, so that the transmission roller 103 can be located inside the two sides of the gantry crane beam to support the clamping component 101.

[0039] Specifically, the number of transmission rollers 103 is four, and the four transmission rollers 103 are clamped on the two sides of the gantry crane beam and overlapped with the inner bottom of the gantry crane beam for transmission.

[0040] Through the above technical solution, four transmission rollers 103 are arranged to increase the contact area between the transmission roller 103 and the gantry crane beam, so as to increase the friction force and the traction force of displacement, and the four transmission rollers 103 are arranged to support the clamping component 101, so as to increase the support strength.

[0041] Specifically, the two ends of the hoisting traction part 3 are fixedly connected with the two sides of the connecting protective cover 104, respectively, and a motor is arranged on the outer side of the hoisting traction part 3, the motor drives the traction roller located between the hoisting traction part 3, and a gap is left between the traction roller and the connecting protective cover 104.

[0042] Through the above technical solution, the connecting protective cover 104 is arranged to connect the hoisting traction part 3, so as to protect the hoisting traction part 3 from above to prevent rain and snow from falling into the connection of the traction roller of the hoisting traction part 3 from above, and once the rain and snow fall into the connection of the traction roller, ice will be formed in the cold temperature, so that the traction roller cannot be driven vertically by the motor.

[0043] Specifically, the two sides of the clamping component 101 are fixedly connected with the ice removing part 106, respectively, the bottom of the ice removing part 106 is overlapped with the inner bottom of the gantry crane beam, and the top end of the ice removing part 106 is a knife edge.

[0044] By the above technical scheme, the deicing part 106 is installed on both sides of the clamping part 101, when the clamping part 101 moves left and right on the gantry beam, the cutting edge of the deicing part 106 will contact the inner wall of the gantry beam, thereby scraping and cleaning the ice and snow on the gantry beam, to improve the friction between the transmission roller 103 and the gantry beam.

[0045] Specifically, the number of support rods 201 is four, and the four support rods 201 are respectively inserted into the connecting cavities 105 inside the clamping part 101 and are limited by the protrusions at the bottom of the support rods 201.

[0046] By the above technical scheme, the four support rods 201 are arranged to support the two pressure plates 202, so that the pressure plates 202 can stably apply pressure to the inner upper edge of the gantry beam, and the transmission roller 103 stably contacts the inner lower part of the gantry beam, to improve the friction and the stability of transmission.

[0047] Specifically, the pressure plate 202 is L-shaped, and the L-shaped pressure plate 202 surrounds the inner top and side of the gantry beam.

[0048] By the above technical scheme, the pressure plate 202 is arranged in an L shape, and the two sides of the gantry beam are surrounded by the pressure plate 202, so that when the wind blows, the clamping part 101 can be limited, and after the hoisting traction part 3 pulls the heavy object, the heavy object is shaken by the wind and drives the clamping part 101 to shake violently.

[0049] Specifically, the inner bottom and side of the pressure plate 202 are movably connected with auxiliary rollers 204, and the auxiliary rollers 204 are respectively overlapped with the inner side wall and the inner top of the gantry beam.

[0050] By the above technical scheme, the auxiliary roller 204 is installed on the inner side of the pressure plate 202, so that the auxiliary roller 204 is overlapped with the gantry beam to reduce the friction during transmission.

[0051] Specifically, the number of elastic members 203 is equal to the number of support rods 201, and the bottom of the elastic member 203 is overlapped with the top of the clamping part 101.

[0052] By the above technical scheme, the elastic member 203 is arranged to cooperate with the clamping part 101 to apply pressure to the pressure plate 202, and through the reaction of force, the transmission roller 103 installed inside the clamping part 101 is forced to fit on the inner wall of the gantry beam, to avoid the transmission roller 103 from slipping during transmission due to ice in the gantry beam.

[0053] In use, a connecting cavity 105 is opened inside the clamping component 101 to connect and limit the support rod 201, and a pressure plate 202 is fixedly connected to the top of the support rod 201. At the same time, the pressure plate 202 is squeezed by the elastic element 203. The pressure increases the friction between the transmission roller 103 inside the clamping component 101 and the gantry crane beam, thus achieving the effect of avoiding the inability to work normally due to icing in cold rain and snow.

[0054] By fixing the de-icing part 106 to both sides of the clamping part 101, and overlapping the bottom of the de-icing part 106 with the inner bottom of the gantry crane beam, and opening a cutting edge at the top of the de-icing part 106, when the clamping part 101 moves under the power of the transmission roller 103, the de-icing part 106 will remove the ice layer on the inner wall of the gantry crane beam, thus achieving the de-icing effect.

[0055] By fixing a protective cover 104 to the bottom of the clamping component 101 and fixing both ends of the lifting traction part 3 to the two sides of the protective cover 104 respectively, the traction roller of the lifting traction part 3 is covered, and a gap is left between the traction roller and the protective cover 104. This protects the traction roller in rainy or snowy weather, reduces the penetration of rain and snow into the connection of the traction roller, and prevents the motor of the lifting traction part 3 from being damaged due to insufficient power when it is first started. This achieves the effect of protecting the motor.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic rail clamping mechanism with natural disaster resistance function, comprising a rail clamping mechanism (1) installed on the crossbeam of a gantry crane, wherein a lifting traction part (3) is installed at the bottom of the rail clamping mechanism (1), and a lifting rope and hook are pulled on the lifting traction part (3), characterized in that: An auxiliary pressurizing mechanism (2) is installed on the top of the rail clamping mechanism (1), and the auxiliary pressurizing mechanism (2) overlaps with the inner wall of the gantry crane beam; The rail clamping mechanism (1) includes a clamping component (101), a drive motor (102) is fixedly connected to the outer surface of the clamping component (101), the output shaft of the drive motor (102) drives a drive roller (103) movably connected inside the clamping component (101), a connecting protective cover (104) is fixedly connected to the bottom of the clamping component (101), and connecting cavities (105) are opened on both sides of the clamping component (101). The auxiliary pressurizing mechanism (2) includes a support rod (201), a pressure plate (202) is fixedly connected to the top of the support rod (201), and an elastic element (203) is sleeved on the outer surface of the support rod (201). The elastic element (203) presses the pressure plate (202) upward so that the pressure plate (202) overlaps with the upper edge of the gantry crane beam. The two ends of the lifting traction part (3) are fixedly connected to the two sides of the connecting protective cover (104). A motor is provided on the outside of the lifting traction part (3). The motor drives the traction roller located between the lifting traction parts (3). There is a gap between the traction roller and the connecting protective cover (104). The clamping component (101) is fixedly connected to two sides of a de-icing part (106). The bottom of the de-icing part (106) overlaps with the inner bottom of the gantry crane beam, and the top of the de-icing part (106) is a knife edge. The pressure plate (202) is L-shaped, and the L-shaped pressure plate (202) surrounds the inner top and side of the gantry crane beam.

2. An automatic rail clamping mechanism with natural disaster resistance function according to claim 1, characterized in that: The clamping component (101) is bow-shaped, and the two sides of the inner wall of the clamping component (101) overlap with the two sides of the gantry crane.

3. An automatic rail clamping mechanism with natural disaster resistance function according to claim 1, characterized in that: The number of transmission rollers (103) is four. The four transmission rollers (103) are respectively clamped on both sides of the gantry crane beam and overlapped with the inner bottom of the gantry crane beam for transmission.

4. An automatic rail clamping mechanism with natural disaster resistance function according to claim 1, characterized in that: The number of the support rods (201) is four. The four support rods (201) are respectively inserted into the connecting cavity (105) inside the clamping component (101) and limited by the bottom protrusion of the support rod (201).

5. An automatic rail clamping mechanism with natural disaster resistance function according to claim 1, characterized in that: The pressure plate (202) is movably connected to the inner bottom and side of the plate, and the auxiliary rollers (204) overlap with the inner side wall and inner top of the gantry crane beam, respectively.

6. An automatic rail clamping mechanism with natural disaster resistance function according to claim 1, characterized in that: The number of elastic elements (203) is equal to the number of support rods (201), and the bottom of the elastic elements (203) overlaps with the top of the clamping component (101).

Citation Information

Patent Citations

  • Automatic brake anti-skid device for safety protection of gantry crane for port and wharf containers

    CN114148923A

  • Overhead guard type portal crane

    CN204607433U